| Tests Performed | Results |
---|---|---|
Infection | CBC, CRP Blood cultures Echocardiography HBV, HCV | Normal Negative No vegetation or myxoma Negative |
Hypercoagulable state | Protein C Protein S Anti- thrombin 3 Platelet PT/aPTT/INT | 131% (Normal) 73% (Normal) Normal 280 10 × 3/uL (Normal) Normal |
Lymphoproliferative disease | Kappa/Lambda Ratio Beta-2 microglobulin (B2M) LDH SPEP/IFE | 1.37 (Normal) 3 mg/L (Mildly elevated) 138 U/L (Normal) Normal |
Tumor invasion | CT Chest CT Angiography | No invasion of sympathetic nervous plexus No vascular occlusion, saccular aneurysm or stenosis up to the palmar arch arteries |
Autoimmune and inflammatory disease / Thromboangiitis obliterans | ANA ESR CH50 ANCA-c, ANCA-p Cryoglobulin APL ab, Anti-Scl-70 Ab, Anti-dsDNA ab, Anti-U1 RNP Ab, Anti-Sm ab, Anti-Ro/SSA ab Nailfold videocapillaroscopy Skin biopsy | 1:80 Homogeneous 70 mm/hr 170 CAE Units (elevated) (Acute phase reactant) Normal Negative (Normal) Not performed Not performed Not performed |